public function testHasChanged()
{
$tempFile = Yii::app()->getRuntimePath() . '/CFileCacheDependencyTest_foo.txt';
@unlink($tempFile);
$fw = fopen($tempFile, "w");
fwrite($fw, "test");
fclose($fw);
clearstatcache();
$dependency = new CFileCacheDependency($tempFile);
$dependency->evaluateDependency();
$str = serialize($dependency);
// test file not changed
sleep(2);
$dependency = unserialize($str);
$this->assertFalse($dependency->hasChanged);
// change file
$fw = fopen($tempFile, "w");
fwrite($fw, "test again");
fclose($fw);
clearstatcache();
// test file changed
sleep(2);
$dependency->evaluateDependency();
$dependency = unserialize($str);
$this->assertTrue($dependency->hasChanged);
@unlink($tempFile);
}
public function generateDependentData()
{
self::$generateDependentDataCalled++;
return parent::generateDependentData();
}
